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Phonology
- Consonant Inventories (1194 languages)
- Vowel Quality Inventories (1206 languages)
- Consonant-Vowel Ratio (1122 languages)
- Voicing in Plosives and Fricatives (1178 languages)
- Voicing and Gaps in Plosive Systems (1143 languages)
- Uvular Consonants (1168 languages)
- Glottalized Consonants (1142 languages)
- Lateral Consonants (1156 languages)
- The Velar Nasal (1163 languages)
- Vowel Nasalization (1150 languages)
- Front Rounded Vowels (1139 languages)
- Syllable Structure (1169 languages)
- Tone (1189 languages)
- Fixed Stress Locations (992 languages)
- Weight-Sensitive Stress (851 languages)
- Weight Factors in Weight-Sensitive Stress Systems (816 languages)
- Rhythm Types (715 languages)
- Absence of Common Consonants (1133 languages)
- Presence of Uncommon Consonants (1131 languages)
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Morphology
- Fusion of Selected Inflectional Formatives (860 languages)
- Exponence of Selected Inflectional Formatives (807 languages)
- Inflectional Synthesis of the Verb (781 languages)
- Locus of Marking in the Clause (798 languages)
- Locus of Marking in Possessive Noun Phrases (783 languages)
- Locus of Marking: Whole-language Typology (731 languages)
- Prefixing vs. Suffixing in Inflectional Morphology (850 languages)
- Reduplication (833 languages)
- Case Syncretism (811 languages)
- Syncretism in Verbal Person/Number Marking (807 languages)
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Nominal Categories
- Number of Genders (1083 languages)
- Sex-based and Non-sex-based Gender Systems (1040 languages)
- Systems of Gender Assignment (996 languages)
- Coding of Nominal Plurality (1011 languages)
- Occurrence of Nominal Plurality (918 languages)
- Plurality in Independent Personal Pronouns (848 languages)
- The Associative Plural (627 languages)
- Definite Articles (985 languages)
- Indefinite Articles (964 languages)
- Inclusive/Exclusive Distinction in Independent Pronouns (886 languages)
- Inclusive/Exclusive Distinction in Verbal Inflection (872 languages)
- Distance Contrasts in Demonstratives (793 languages)
- Pronominal and Adnominal Demonstratives (641 languages)
- Third Person Pronouns and Demonstratives (716 languages)
- Gender Distinctions in Independent Personal Pronouns (841 languages)
- Politeness Distinctions in Pronouns (818 languages)
- Indefinite Pronouns (574 languages)
- Intensifiers and Reflexive Pronouns (552 languages)
- Person Marking on Adpositions (721 languages)
- Number of Cases (906 languages)
- Asymmetrical Case-Marking (722 languages)
- Position of Case Affixes (837 languages)
- Comitatives and Instrumentals (672 languages)
- Ordinal Numerals (705 languages)
- Distributive Numerals (497 languages)
- Numeral Classifiers (689 languages)
- Conjunctions and Universal Quantifiers (444 languages)
- Position of Pronominal Possessive Affixes (741 languages)
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Nominal Syntax
- Obligatory Possessive Inflection (760 languages)
- Possessive Classification (715 languages)
- Genitives, Adjectives and Relative Clauses (631 languages)
- Adjectives without Nouns (623 languages)
- Action Nominal Constructions (446 languages)
- Noun Phrase Conjunction (638 languages)
- Nominal and Verbal Conjunction (626 languages)
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Verbal Categories
- Perfective/Imperfective Aspect (819 languages)
- The Past Tense (875 languages)
- The Future Tense (872 languages)
- The Perfect (773 languages)
- Position of Tense-Aspect Affixes (809 languages)
- The Morphological Imperative (697 languages)
- The Prohibitive (647 languages)
- Imperative-Hortative Systems (474 languages)
- The Optative (655 languages)
- Situational Possibility (522 languages)
- Epistemic Possibility (507 languages)
- Overlap between Situational and Epistemic Modal Marking (436 languages)
- Semantic Distinctions of Evidentiality (597 languages)
- Coding of Evidentiality (635 languages)
- Suppletion According to Tense and Aspect (595 languages)
- Verbal Number and Suppletion (592 languages)
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Word Order
- Order of Subject, Object and Verb (977 languages)
- Order of Subject and Verb (937 languages)
- Order of Object and Verb (930 languages)
- Order of Object, Oblique, and Verb (728 languages)
- Order of Adposition and Noun Phrase (812 languages)
- Order of Genitive and Noun (868 languages)
- Order of Adjective and Noun (903 languages)
- Order of Demonstrative and Noun (801 languages)
- Order of Numeral and Noun (819 languages)
- Order of Relative Clause and Noun (730 languages)
- Order of Degree Word and Adjective (577 languages)
- Position of Polar Question Particles (699 languages)
- Position of Interrogative Phrases in Content Questions (647 languages)
- Order of Adverbial Subordinator and Clause (549 languages)
- Relationship between the Order of Object and Verb and the Order of Adposition and Noun Phrase (656 languages)
- Relationship between the Order of Object and Verb and the Order of Relative Clause and Noun (636 languages)
- Relationship between the Order of Object and Verb and the Order of Adjective and Noun (677 languages)
- Order of Negative Morpheme and Verb (606 languages)
- Position of Negative Morpheme With Respect to Subject, Object and Verb (559 languages)
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Simple Clauses
- Alignment of Case Marking of Full Noun Phrases (728 languages)
- Alignment of Case Marking of Pronouns (687 languages)
- Alignment of Verbal Person Marking (660 languages)
- Expression of Pronominal Subjects (665 languages)
- Verbal Person Marking (735 languages)
- Third Person Zero of Verbal Person Marking (659 languages)
- Order of Person Markers on the Verb (650 languages)
- Ditransitive Constructions: The Verb 'Give' (587 languages)
- Reciprocal Constructions (494 languages)
- Passive Constructions (673 languages)
- Antipassive Constructions (580 languages)
- Applicative Constructions (488 languages)
- Periphrastic Causative Constructions (293 languages)
- Nonperiphrastic Causative Constructions (428 languages)
- Negative Morphemes (687 languages)
- Symmetric and Asymmetric Standard Negation (503 languages)
- Subtypes of Asymmetric Standard Negation (398 languages)
- Negative Indefinite Pronouns and Predicate Negation (355 languages)
- Polar Questions (655 languages)
- Predicative Possession (481 languages)
- Predicative Adjectives (540 languages)
- Nominal and Locational Predication (502 languages)
- Zero Copula for Predicate Nominals (578 languages)
- Comparative Constructions (422 languages)
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Complex Sentences
- Relativization on Subjects (516 languages)
- Relativization on Obliques (472 languages)
- 'Want' Complement Subjects (437 languages)
- Purpose Clauses (386 languages)
- 'When' Clauses (398 languages)
- Reason Clauses (389 languages)
- Utterance Complement Clauses (358 languages)
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Lexicon
- Hand and Arm (719 languages)
- Finger and Hand (699 languages)
- Numeral Bases (787 languages)
- Number of Non-Derived Basic Colour Categories (365 languages)
- Number of Basic Colour Categories (349 languages)
- Green and Blue (561 languages)
- Red and Yellow (562 languages)
- M-T Pronouns (605 languages)
- N-M Pronouns (599 languages)
- Tea (522 languages)
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Sign Languages
- Irregular Negatives in Sign Languages (74 languages)
- Question Particles in Sign Languages (77 languages)
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Other
- Writing Systems (689 languages)
- Para-Linguistic Usages of Clicks (401 languages)
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Conlang-specific
- Conlang type (868 languages)